} 6. What is the output of the following code sequence? Point 5 class X { int a; X(int i) (ami;) class Y extends X { int b; Y(int i, int j) { super(j); b=i; } } class SupSubRef { public static void main(String args[]) { Xx= new X(10); Xx2; Yy new Y(5, 6); x2 = x; System.out.println("x2.a: " + x2.a); x2 = y; " System.out.println("x2.a: + x2.a); sido